import java.util.Scanner;
// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main
{
    public static void main(String[] args)
    {
        Scanner in = new Scanner(System.in);
        int n = in.nextInt();
        int[] arr = new int[n];
        int b = 0;
        for(int i = 0; i < n; i++) {
            arr[i] = in.nextInt();
            b = Math.max(b, arr[i]);
        }
        boolean flag = true;
        for(int i = 0; i < n; i++) {
            if(b % arr[i] != 0) {
                flag = false;
                break;
            }
            int x = b / arr[i];
            if((x - (x & -x)) != 0) {
                flag = false; break;
            }
        }
        if(flag)
            System.out.println("YES");
        else
            System.out.println("NO");
    }
}

